They buy more fuel efficient cars and appliances, insulate their homes, and sometimes even use public transportation.

Hybrid vehicles, which use an internal combustion engine combined with an electric engine to achieve better fuel efficiency than a regular combustion engine, are already common.

A narrow focus on, say, developing better batteries, improving fuel efficiency, or making automobile production more sustainable is inadequate to catalyze the needed transformation.

Fuel efficiency standards for automobiles were legislated, and car producers implemented them.

In terms of total lifecycle costs, these vehicles are three to six times more energy efficient than their petroleum counterparts.

Perhaps the single most promising development in terms of energy efficiency is plug in hybrid technology for automobiles, which may be able to triple the fuel efficiency of new automobiles within the next decade.

Diversity in modes of transportation Sustainable transportation emphasizes the use of a diversity of fuel efficient transportation vehicles in order to reduce greenhouse emissions and diversity fuel demand.

Brazil is leading the way with a high consumption level of ethanol and the great success of flexi fuel cars.

A narrow focus on, say, developing better batteries, improving fuel efficiency, or making automobile production more sustainable is inadequate to catalyze the needed transformation. A genuinely transformational solution is needed one that meets the needs of consumers, businesses, and governments.

The answer is to coordinate a global recovery package, which creates the opportunity to point recovery in the direction of a new generation of fuel efficient and low carbon emission vehicles and green jobs.

But carmakers think fuel cells are the better, more efficient, silent, clean power source for transportation.

Fuel efficiencies in the automotive sector have increased by more than 60 in the past three decades, while overall wealth produced per unit of energy has doubled during the same period.

Vivid images have stuck in people s minds from that episode long lines of cars at gas stations, people riding bicycles to work, gasless Sundays and other rationing schemes.

The initial design failed to meet the Boeing required specific fuel consumption (SFC).

With greater investments, it will be possible to raise farm yields, lower energy use to heat and cool buildings, achieve greater fuel efficiency for cars, and more.

In 1977, the US created the Department of Energy (DOE) a year later, it enacted the National Energy Act, which employed tools like industrial regulation and tax incentives to promote fuel efficiency and renewable energy.

Already, hybrid automobiles, which combine gasoline and battery power, can roughly double fuel efficiency, cutting carbon dioxide emissions by half.

JF Over on the left hand side, you will notice fuel consumption decreasing as the rocket takes off.

Indeed, the government indicates that it may begin rationing gasoline.

This resulted in reduced fuel consumption and less environmental impact.

If people would stop filling up and instead make do with half a tank, they would immediately lower gasoline demand.

Shifts to more energy efficient means of transportation ease congestion.

Consider the energy inefficiency of an automobile, for example.

For example, now is the time to begin reducing US oil demand through improved fuel economy standards and or progressive increases in fuel taxes.

Growth arguments will be advanced to counter strong social and environmental policies higher gasoline taxes, for example, will kill our nascent auto industry.

One country is supporting the introduction of techniques to alleviate the consumption of wood for heating and construction.

Bio fuels essentially take food from mouths and puts it into cars.

Together the improvements provided a 1.2 improvement to the Trent 700's specific fuel consumption.

A carbon tax has also been proposed as a method to reduce consumption of fossil fuels.

The challenge is to enable freedom of mobility while reducing the consumption of fossil fuels.

Ion engines can make much more efficient use of propellant than existing chemical rockets.

In these Parties, changing consumer behaviour was envisaged as a way to reduce fuel consumption from transport and reduce emissions.

A visitor to Brazil today will see these flex fuel cars everywhere.

We will need to switch from cars with internal combustion engines to hybrids, plug in hybrids, battery powered, and fuel cell powered vehicles.

Fuel efficiency standards for automobiles were legislated, and car producers implemented them. In a more fragmented fashion, states established incentives for energy efficiency in residential and commercial buildings.

Countries like his own were the victims of the world's short sighted drive to burn more and more fossil fuels.

Here's our new car It gets great gas mileage, it has leather seats, buy our car.

Because fuel cells are about twice as efficient as internal combustion engines, the effective cost per unit of distance would be about half that.

The US will not solve its energy security problem until it gets better at fuel economy, possibly by a combination of technology, gasoline taxes, and regulations.

And one of the things that we need to do is, not only fix the fuel efficiency of our vehicles and make them much more efficient, but we also need to fix the economy in general.

Moreover, economists contend that energy consumption per capita is declining, owing to more efficient use.

For example, lightweight, two passenger vehicles can be up to ten times more energy efficient than a typical car.

For years now, climate activists from Al Gore to Leonardo DiCaprio have argued that individual actions like driving more economical cars and using more efficient light bulbs are a crucial element in the effort to address global warming.

Resources and consumables the possibility of monitoring resources using electricity, water and fuel oil consumption is being considered as an aid to verification.

The South African Solar Challenge is an alternative fuel vehicle auto racing challenge in South Africa, with classes for hybrid vehicles, electric vehicles, solar vehicles, and biofuel powered vehicles.